控制电路以UC3525为核心，构成电流内环、电压外环的双环控制模式，实现系统稳压和限流。
With the strategy of the UC3525 core as well as an inner current-loop and an outer voltage-loop control, the output stable voltage and limited current are realized very well.
本文分析了采用滞环模式控制的转换器的工作原理，介绍了几种传统的可用于DC-DC转换器的电流 检测技术，比较了各种电流检测电路结构。
This paper analyzed the working principle of hysteretic mode control, introduced and compared several traditional current detection techniques which could be applied for DC-DC converter.
本文针对滞环电流控制模式buck - boost DC - DC转换器，设计了其中的电流检测部分。
In this paper, current detection circuits which could be used for hysteresis current control mode buck-boost DC-DC converters were designed.
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